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SCHOOL COMMUNITY·BOISE INDEPENDENT DISTRICT·NCES 160036000643

TIMBERLINE HIGH SCHOOL

701 EAST BOISE AVENUE, BOISE, ID 83706 · (208) 854-6230 · Ada County
GRADES 10–12HIGH12-CITYREGULAR SCHOOL1,307 STUDENTS
Enrollment
1,307
High
DISTRICT 743 · STATE 455
Student : Teacher
17.7:1
74 FTE teachers
DISTRICT 13.7:1 · STATE 16.0:1
Free / Reduced Lunch
17%
218 students
DISTRICT 51% · STATE 46%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 10
421
Grade 11
459
Grade 12
427
Student demographics
White
97374%
DISTRICT 68% · STATE 72%
Hispanic
13010%
DISTRICT 16% · STATE 21%
Black
171%
DISTRICT 5% · STATE 1%
Asian
1018%
DISTRICT 4% · STATE 1%
Two+
796%
DISTRICT 6% · STATE 3%
Native American
30%
DISTRICT 0% · STATE 1%
Pacific Islander
40%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
69153%
Female
61647%

Discussions

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Test scores

ISAT 2024-25 . % Proficient
English Language Arts
62.4%
ID avg 53.4%
Math
50.2%
ID avg 43.5%
Source: ISAT. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,307
+22 (+2%) vs 2017
Student : Teacher
17.7:1
was 19.8:1
% White
74%
was 81%
% Hispanic
10%
was 7%
% Black
1%
was 2%
% Asian
8%
was 6%
Source: NCES Common Core of Data

About TIMBERLINE HIGH SCHOOL

Set in BOISE, Idaho, TIMBERLINE HIGH SCHOOL is a well-populated four-year high school, part of BOISE INDEPENDENT DISTRICT. It works with 1,307 students across grades 10 through 12. That puts it 187% above the typical public school in Idaho, which averages around 455 students.

BOISE INDEPENDENT DISTRICT runs 52 schools in total, collectively educating 22,134 students. TIMBERLINE HIGH SCHOOL is one of those campuses.

On demographics, TIMBERLINE HIGH SCHOOL records that 74% of the student body identifies as White. Beyond that, the school records 10% Hispanic, 8% Asian, 6% multiracial. That is considerably less White than the county at large, where the share is closer to 83%.

On the resource side, The school employs 74 full-time-equivalent teachers, for a student-teacher ratio near 17.7:1. Statewide, the average ratio sits near 16.0:1, putting TIMBERLINE HIGH SCHOOL higher than the state norm the norm. Roughly 17% of students at TIMBERLINE HIGH SCHOOL qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Ada County runs at roughly 34%, so the school's eligibility rate is meaningfully below the surrounding baseline.

In the broader community, ACS estimates for Ada County put the typical household earns roughly $91,502 per year, about 45% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 5%. In all, Ada County runs 156 public schools (combined enrollment of about 80,006 students), of which TIMBERLINE HIGH SCHOOL is one.

WHITE PINE ELEMENTARY SCHOOL is the nearest neighboring public school, about 0.2 miles from this campus. Counting just inside five miles, 8 other public schools cluster around TIMBERLINE HIGH SCHOOL.

TIMBERLINE HIGH SCHOOL operates from a high-density location.

Over the past 7-year window. Looking back 7 years, enrollment at TIMBERLINE HIGH SCHOOL has remained close to its prior level, going from 1,285 students in 2018 to 1,307 in 2025. The White share of enrollment ticked down from 81% to 74% over that span. Class-load math has fell: from 19.8:1 in 2018 to 17.7:1 in 2025.

Within the allk12 community for this school, posts here usually surface around fundraisers, lost-and-found posts, and report-card season. Anyone with firsthand experience at this school can post or comment.

Ada County at a glance

View full county profile
Population
518,935
Census ACS
Median income
$91,502
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
156
80,006 students

Quick facts

School name
TIMBERLINE HIGH SCHOOL
District
BOISE INDEPENDENT DISTRICT
Address
701 EAST BOISE AVENUE, BOISE, ID 83706
Phone
(208) 854-6230
County
Ada County
Level
High
Grade range
10–12
Total enrollment
1,307
Teachers (FTE)
74
Student–teacher ratio
17.7:1
Free/Reduced lunch
218 (17%)
Locale
12-City: Mid-size
NCES ID
160036000643
Charter school
No
Virtual school
No

Related schools

Other schools in BOISE INDEPENDENT DISTRICT
Other schools in BOISE
Nearby schools

Frequently asked questions

About TIMBERLINE HIGH SCHOOL
How many students attend TIMBERLINE HIGH SCHOOL?
TIMBERLINE HIGH SCHOOL enrolls approximately 1,307 students in grades 10-12.
Is TIMBERLINE HIGH SCHOOL an elementary, middle, or high school?
TIMBERLINE HIGH SCHOOL is a high school covering grades 10-12.
How many teachers does TIMBERLINE HIGH SCHOOL have?
TIMBERLINE HIGH SCHOOL employs 74 FTE teachers, for a student-to-teacher ratio of 17.7:1.
What is the student diversity at TIMBERLINE HIGH SCHOOL?
Student demographics at TIMBERLINE HIGH SCHOOL are roughly 74% White, 10% Hispanic, 1% Black, 8% Asian, 6% Two or more.
Who oversees TIMBERLINE HIGH SCHOOL?
TIMBERLINE HIGH SCHOOL is overseen by BOISE INDEPENDENT DISTRICT in Ada County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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